feat: port ministral3 to transformers v4 (#934)

Signed-off-by: HuiyingLi <[email protected]>
Signed-off-by: Alexandros Koumparoulis <[email protected]>
Co-authored-by: Alexandros Koumparoulis <[email protected]>

Author: HuiyingLi

nemo_automodel/_transformers/auto_model.py

@@ -334,6 +334,7 @@ def _retry(**override):
                 try:
                     # if we have a custom model implementation available, we prioritize that over HF
                     if hf_config.architectures[0] in ModelRegistry.model_arch_name_to_cls:
+                        kwargs.pop("trust_remote_code", None)
                         model = ModelRegistry.model_arch_name_to_cls[hf_config.architectures[0]](
                             hf_config, *model_args, **kwargs
                         )
@@ -508,6 +509,7 @@ def _retry(**override):
                 try:
                     # if we have a custom model implementation available, we prioritize that over HF
                     if config.architectures[0] in ModelRegistry.model_arch_name_to_cls:
+                        kwargs.pop("trust_remote_code", None)
                         model = ModelRegistry.model_arch_name_to_cls[config.architectures[0]](
                             config, *model_args, **kwargs
                         )

nemo_automodel/components/models/mistral3/__init__.py

@@ -0,0 +1,13 @@
+# Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.